Global Patent Index - EP 3561139 A4

EP 3561139 A4 20200219 - ALUMINUM-BASED ALLOY PLATED STEEL SHEET HAVING EXCELLENT PROCESSING PART CORROSION RESISTANCE

Title (en)

ALUMINUM-BASED ALLOY PLATED STEEL SHEET HAVING EXCELLENT PROCESSING PART CORROSION RESISTANCE

Title (de)

PLATTIERTES STAHLBLECH AUS EINER LEGIERUNG AUF ALUMINIUMBASIS MIT HERVORRAGENDER VERARBEITUNGSTEILKORROSIONSBESTÄNDIGKEIT

Title (fr)

TÔLE D'ACIER PLAQUÉE D'ALLIAGE À BASE D'ALUMINIUM AYANT UNE EXCELLENTE RÉSISTANCE À LA CORROSION DE PIÈCES DE PROCÉDÉ

Publication

EP 3561139 A4 20200219 (EN)

Application

EP 17882328 A 20171222

Priority

  • KR 20160177538 A 20161223
  • KR 2017015415 W 20171222

Abstract (en)

[origin: EP3561139A1] Disclosed is an aluminum-based alloy plate steel sheet, which comprises a base steel sheet, an interfacial alloy layer, and an aluminum-based plated layer comprising a Mg-Si-based alloy phase, and in which b/a is 1-5 when the area fraction of the Mg-Si-based alloy phase contained in the aluminum-based plated layer is a and the area fraction of the Mg-Si-based alloy phase contained in the region of the lower 20% in the thickness direction of the aluminum-based plated layer is b.

IPC 8 full level

C23C 2/12 (2006.01); C22C 21/02 (2006.01); C22C 21/08 (2006.01); C22C 38/04 (2006.01); C23C 2/02 (2006.01); C23C 2/14 (2006.01); C23C 2/28 (2006.01)

CPC (source: EP KR US)

B32B 15/012 (2013.01 - US); C21D 8/0205 (2013.01 - US); C21D 8/0226 (2013.01 - US); C21D 8/0236 (2013.01 - US); C21D 8/0263 (2013.01 - US); C21D 9/46 (2013.01 - US); C22C 21/02 (2013.01 - EP KR US); C22C 21/06 (2013.01 - US); C22C 21/08 (2013.01 - EP KR); C22C 38/04 (2013.01 - EP KR US); C23C 2/02 (2013.01 - EP US); C23C 2/022 (2022.08 - EP US); C23C 2/024 (2022.08 - EP US); C23C 2/12 (2013.01 - EP KR US); C23C 2/29 (2022.08 - EP US); C23C 2/40 (2013.01 - US); Y10T 428/12757 (2015.01 - US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3561139 A1 20191030; EP 3561139 A4 20200219; EP 3561139 B1 20210324; CN 110100039 A 20190806; CN 110100039 B 20211203; ES 2875890 T3 20211111; JP 2020504238 A 20200206; JP 7167025 B2 20221108; KR 101839253 B1 20180315; US 10837094 B2 20201117; US 2019382877 A1 20191219; WO 2018117770 A1 20180628

DOCDB simple family (application)

EP 17882328 A 20171222; CN 201780080005 A 20171222; ES 17882328 T 20171222; JP 2019533533 A 20171222; KR 20160177538 A 20161223; KR 2017015415 W 20171222; US 201716471920 A 20171222